Author Topic: first step of new build  (Read 57351 times)

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Offline fabr

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Re: first step of new build
« Reply #120 on: March 16, 2014, 07:35:10 PM »
I assume you are moving the tps very slowly to look for any deadspots?
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

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Offline dsrace

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Re: first step of new build
« Reply #121 on: March 16, 2014, 08:06:33 PM »
yep, 3 times   
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Offline fabr

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Re: first step of new build
« Reply #122 on: March 16, 2014, 09:11:14 PM »
Just for grins and giggles,do a leak down and a compression test.
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline Carlriddle

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Re: first step of new build
« Reply #123 on: March 17, 2014, 09:25:20 AM »
I do know that the TPS must be calibrated in the Bazzaz.  Not sure if Baz is only reading XX% if thats all the throttle motor will see??  But you said it did same wether it was hooked or not, so?    I'd spray for intake leaks with carb cleaner, but smoke works pretty well on exhaust side.  Can see if it pulls it in exhaust. 
You can keep your CHANGE, I'd like to keep my DOLLAR.

Offline dsrace

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Re: first step of new build
« Reply #124 on: March 17, 2014, 10:58:14 AM »
i have done a comp test and it was in very good shape but never did a leak down test. I can but I am pretty pos that is not the problem. it feels like something that has been effecting timing or producing back pressure but sat's little run I could tell some sizable diff's from what little I did do. I am going to ( as soon as I can ) check to make sure the header bolts are tq'd right and are not loose. like I said the tps has been set to bazzaz this time and this is the first time I have set the tps with an anolog multi meter the other time was with a menards $9.99 multi meter lol does ok but not the most accurate compared the the anolog.
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Offline dsrace

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Re: first step of new build
« Reply #125 on: March 17, 2014, 10:58:40 AM »
I do know that the TPS must be calibrated in the Bazzaz.  Not sure if Baz is only reading XX% if thats all the throttle motor will see??  But you said it did same wether it was hooked or not, so?    I'd spray for intake leaks with carb cleaner, but smoke works pretty well on exhaust side.  Can see if it pulls it in exhaust.

with or without made no diff at the dunes or home. and bazzaz is pre set with tps values for closed and wop positions until you re-calibrate it.  that could also be an issue.
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Offline fabr

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Re: first step of new build
« Reply #126 on: March 17, 2014, 12:35:33 PM »
I don't believe the exhaust has a thing to do with it. UNLESS your primary tube size is too big. 1 5/8" max . Didn't you post the primary tube and merge tube size somewhere?
« Last Edit: March 17, 2014, 12:55:18 PM by fabr »
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline dsrace

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Re: first step of new build
« Reply #127 on: March 17, 2014, 01:19:24 PM »
no i don't know the size.... they are the factory headers...... you don't think to 90 degree bends in 2 slightly diff directions could produce back pressure? i'm not sure how much but i think they could. i know what happens when there is not enough as well. still not pos that is it totally but i think it definately adds to the problem.
Don't never argue with an Idiot!
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Offline fabr

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Re: first step of new build
« Reply #128 on: March 17, 2014, 03:00:17 PM »
I think there is another cause to your dead spot. If it were exhaust related back pressure it would not get better at higher rpms and only be an issue somewhere in the mid range. IMO.
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline dsrace

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Re: first step of new build
« Reply #129 on: March 17, 2014, 03:20:43 PM »
mid is where i notice the most but it is a problem accross the board like it's all been shifted but the most noticabele is mid. i don't know how to describe it any better than that it's a feeling i know given the other 4 or 5 mc powered rails i have had for myself
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Offline fabr

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Re: first step of new build
« Reply #130 on: March 17, 2014, 07:02:11 PM »
Conversely back pressure would not be  enough at low rpm to be an issue......................I still think you are chasing the wrong rat.
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

Offline Enemy

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Re: first step of new build
« Reply #131 on: March 17, 2014, 09:43:26 PM »
From when I drove it, the description I would give of how it ran...It acts like you are pulling a trailer with it.. From midrange on up to redline, it struggles like its is starving for air in or it cant get it out and dragging an anchor ... or your timing is totally retarded..
IMO the exhaust is definitely a factor which I think you may have helped tremendously by smoothing it out. I say this because  simple changes on the bike with either slip-ons or full system swap requires major retunning to get the fueling where it needs to be. And some systems out there killed performance altogether. I suppose having 2 fuel maps and 6 timming maps could be a factor in that lol

A Couple other fixes for it that may help..  ;D  Just throw the wallet at it!

http://store.schnitzracing.com/motec-m130-ecu-kit-suzuki-gsx1300r-hayabusa-02-07/


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Offline dsrace

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Re: first step of new build
« Reply #132 on: March 17, 2014, 09:44:04 PM »
I did order a new set of crush rings for the header at the head. these aren't stock and I thought I would try them. they look like they are for a car but a few posts swear by them lasting longer and giving more for a better seal also start off thicker so we'll see. I didn't think they were a high wear item but the way a few posts read on the Suzuki site they can be. I normally have some pretty sensitive hearing and I would think I could hear an exh leak but with that cover and the noise of the motor maybe not?!

wonder if the speed sensor or air intake temp sensor or stock cluster could be effecting it? air intake temp sensor is in air box which is aluminum with plenty of open air to it.  speed sensor is hooked up too. i'll just have to play around with it at the dunes a bit more.

enemy that is still an option I would just like to figure this out first but who knows  rofl
and that's a good description of what it has been doing but like I said it now takes off almost with no throttle about 2k rpm lower than before that much I can say for sure after my run sat. feels like more bottom end.
« Last Edit: March 17, 2014, 09:52:16 PM by Dsrace »
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Offline dsrace

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Re: first step of new build
« Reply #133 on: March 17, 2014, 09:52:53 PM »
that sure is a pretty pic!!!!
Don't never argue with an Idiot!
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Offline fabr

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Re: first step of new build
« Reply #134 on: March 18, 2014, 06:06:29 AM »
Mine runs like crap with the IAT sensor in the airbox. With it just lying in open air it runs right. I think the IAT may be reading a too low temp for whatever reason and adding fuel. I have tried several different IAT sensors.They all do the same. Try taking the IAT sensor out of the airbox,leave the IAT connected so it is sensing actual air temp and not the airbox air temp. Mine will absolutely run like crap if the IAT sensor is IN the airbox and not in actual air temp. My IAT sensor is zip tied to the wiring harness in open air.
« Last Edit: March 18, 2014, 06:09:45 AM by fabr »
"There can be no divided allegiance here.  Any man who says he is an American,
but something else also, isn't an American at all.  We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907

-----------------------------------------------------------
 " You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"

 

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